A Comparison Between Lab-Scale and Hot-Melt-Extruder-Based Anti-inflammatory Ointment Manufacturing

Hot-melt extrusion (HME) has been extensively investigated for continuous manufacturing of amorphous solid dispersions, to improve the solubility of poorly water-soluble drug substances, impart abuse deterrence to controlled substances, taste masking for pediatric and geriatric formulations and deve...

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Bibliographic Details
Published in:AAPS PharmSciTech 2020-07, Vol.21 (5), p.200-200, Article 200
Main Authors: Thakkar, Rishi, Ashour, Eman A., Shukla, Ashay, Wang, Rui, Chambliss, Walter G., Bandari, Suresh, Murthy, Narasimha, Repka, Michael A.
Format: Article
Language:English
Subjects:
Biochemistry
Biomedical and Life Sciences
Biomedicine
Biotechnology
Pharmacology/Toxicology
Pharmacy
Research Article
Theme: Pharmaceutical Thermal Processing - An Update
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Summary:Hot-melt extrusion (HME) has been extensively investigated for continuous manufacturing of amorphous solid dispersions, to improve the solubility of poorly water-soluble drug substances, impart abuse deterrence to controlled substances, taste masking for pediatric and geriatric formulations and development of cocrystal system. Much research has been conducted on the continuous manufacturing of solid dosage forms using HME, but its applicability in the manufacturing of semisolids remains an unexplored domain. This study aimed to explore the applicability of HME in the continuous manufacturing of topical semi-solid formulations with two active pharmaceutical ingredients (APIs). Ointments containing a combination of triamcinolone acetonide and lidocaine hydrochloride were screened based on a quality target product profile (QTPP) and established critical quality attributes (CQAs) using design of experiments (DoE). Three selected formulations, manufactured by a lab-scale fusion method and HME, were subjected to further characterization studies including work of adhesion, stiffness, apparent pH, content uniformity, differential scanning calorimetry, accelerated stability, and in vitro drug release testing. Selected formulations met design characteristics and demonstrated the applicability of HME in the continuous manufacturing of semi-solid formulations. Graphical abstract
ISSN:1530-9932
1530-9932
DOI:10.1208/s12249-020-01738-5